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Half Life and Modern Physics
Half Life and Modern Physics
13
Physics
11th Grade
01/05/2009

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Cards

Term
Half Life, fraction remaining, percentage remaining
Definition
n, 1/2n, 100(1/2n)
Term
Bohr model
Definition
r = n2ao
Term
Nuclear fusion
Definition
like charged nuclei join together to form a heavier nucleus
Term
Nuclear Fission
Definition
atom splits into smaller parts, often producing free electrons, lighter nuclei, and photons
Term

Chain reaction

Definition
sequence of reactions where a reactive product or by-product causes additional reactions to take place.
Term
Beta decay
Definition
radioactive decay where a beta particle is emitted
Term
Alpha Decay
Definition
unstable parent nucleus emits a 2He4 particle
Term

Equations of a hyperbola, line, parabola and circle

Definition

xy = a

y = mx + b

y = ax2 + b

x2 + y2 = a2

Term
Ionization Radiation
Definition
radiation capable of removing an electron
Term
x-ray
Definition
ionization radiation
Term
Magnetic resonance imaging (MRI) or nuclear MRI
Definition

electromagnetic field and radiofrequencies

Term
computer tomography (CT) or computed axial tomography (CAT)
Definition
ionization, and x-rays circle around subject
Term
Fluoroscopy
Definition
uses x-rays to obtain real-time moving images of internal structures
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